Cactarantula
Creature — Plant Spider
This spell costs 
less to cast if you control a Desert.
Reach
Whenever this creature becomes the target of a spell or ability an opponent controls, you may draw a card.
Filip Burburan
Rulings
If a spell or ability targets Cactarantula more than once, its last ability still triggers only once.
(wotc • 2024-04-12)
Cactarantula still costs only {1} less to cast if you control multiple Deserts.
(wotc • 2024-04-12)
Cactarantula’s last ability resolves before the spell or ability that caused it to trigger. It resolves even if that spell is countered.
(wotc • 2024-04-12)
Once you announce that you’re casting Cactarantula, no player may take actions until the spell has been paid for. Notably, opponents can’t try to change whether you control a Desert.
(wotc • 2024-04-12)
Rulings
If a spell or ability targets Cactarantula more than once, its last ability still triggers only once.
(wotc • 2024-04-12)
Cactarantula still costs only {1} less to cast if you control multiple Deserts.
(wotc • 2024-04-12)
Cactarantula’s last ability resolves before the spell or ability that caused it to trigger. It resolves even if that spell is countered.
(wotc • 2024-04-12)
Once you announce that you’re casting Cactarantula, no player may take actions until the spell has been paid for. Notably, opponents can’t try to change whether you control a Desert.
(wotc • 2024-04-12)